Item ng pagsusuri | Mga karaniwang kinakailangan (%) |
SrSO4 nilalaman | ≥99.0 |
Barium sulfate (BaSO4) | ≤0.1 |
Calcium sulfate (CaSO4) | ≤0.08 |
Chloride (Cl) | ≤0.01 |
Calcium oxide (CaO) | ≤0.05 |
Bakal (Fe) | ≤0.01 |
Sodium (Na) | ≤0.008 |
Potassium (k) | ≤0.005 |
Nilalaman ng tubig | ≤0.1 |
Hitsura | Puting pinong pulbos |